Thank you for viewing. Docomo Docomo Earphone Microphone 01 High-quality model with a frequency response of 20Hz-20kHz, impedance of 16Ω, maximum input of 100mW, and a cable length of 1.2m. ※ Although it is an unused item, it has been stored at home, so please refrain from purchasing if you are nervous about this. - Brand: docomo - Model Name: Earphone Microphone 01 - Impedance: 16Ω - Frequency Response: 20Hz-20kHz - Maximum Input: 100mW - Cable Length: 1.2m Docomo Genuine FOMA Common Earphone Microphone 01 (AAP79054) Product Details Brand Name: docomo Model Number: AAP79054 Other Details Cable Features: Detachable Connectivity Communication/Connection Interface: Wired Design Headphone Ear Placement: In-Ear Headphone/Earphone Style: In-Ear